You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ley 18) OR (ley 13))/2008, de 23 de diciembre, de garantia de ingresos y para la inclusion social :~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ley 18) OR (ley 13))/2008, de 23 de diciembre, de garantia de ingresos y para la inclusion social :".
• Adding a wildcard symbol may retrieve word variants: ((ley 18) OR (ley 13))/2008, de 23 de diciembre, de garantia de ingresos y para la inclusion social :*.

Perhaps you should try some spelling variations:
inclusion social » exclusion social (Expand Search)
de garantia » la garantia (Expand Search)
ley 18 » ley 15 (Expand Search), ley 16 (Expand Search), ley 19 (Expand Search)
ley 13 » ley 15 (Expand Search), ley 16 (Expand Search)
de 23 » de 28 (Expand Search), de 26 (Expand Search), de 27 (Expand Search)
23 de » 28 de (Expand Search), 27 de (Expand Search)
ingresos » ingreso (Expand Search), congresos (Expand Search)